add workflow

Signed-off-by: Mattéo Rossillol‑‑Laruelle <beatussum@protonmail.com>

.github/workflows/hugo.yaml

@@ -0,0 +1,71 @@
+name: Deploy Hugo site to GitHub Pages
+
+on:
+	push:
+		branches:
+			- master
+
+	workflow_dispatch:
+
+permissions:
+	contents: read
+	pages: write
+	id-token: write
+
+concurrency:
+	group: pages
+	cancel-in-progress: false
+
+defaults:
+	run:
+		shell: bash
+
+jobs:
+	build:
+		runs-on: ubuntu-latest
+		env:
+			HUGO_VERSION: 0.121.0
+		steps:
+			- name: Install Hugo CLI
+				run: |
+					wget -O "${{ runner.temp }}/hugo.deb" \
+						"https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_extended_${HUGO_VERSION}_linux-amd64.deb" \
+						&& sudo dpkg -i "${{ runner.temp }}/hugo.deb"
+			- name: Install Dart Sass
+				run: sudo snap install dart-sass
+			- name: Checkout
+				uses: actions/checkout@v4
+				with:
+					submodules: recursive
+					fetch-depth: 0
+			- name: Setup Pages
+				id: pages
+				uses: actions/configure-pages@v4
+			- name: Install Node.js dependencies
+				run: [[ -f package-lock.json || -f npm-shrinkwrap.json ]] && npm ci || true
+			- name: Build with Hugo
+				env:
+					# For maximum backward compatibility with Hugo modules
+					HUGO_ENVIRONMENT: production
+					HUGO_ENV: production
+				run: |
+					hugo \
+						--gc \
+						--minify \
+						--baseURL "${{ steps.pages.outputs.base_url }}/"
+			- name: Upload artifact
+				uses: actions/upload-pages-artifact@v2
+				with:
+					path: ./public
+
+	deploy:
+		environment:
+			name: github-pages
+			url: ${{ steps.deployment.outputs.page_url }}
+		runs-on: ubuntu-latest
+		needs: build
+		steps:
+			- name: Deploy to GitHub Pages
+				id: deployment
+				uses: actions/deploy-pages@v3
+